– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sat 20 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 20 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 20 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 25°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Thu night. Warm (max 26°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | |  | |  | | | | | | | | |  | |
clear | clear | clear | clear | rain shwrs | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — | 1.3 |
max °C | 16 | 19 | 17 | 19 | 22 | 19 | 23 | 25 | 23 | 24 | 26 | 22 | 21 | 23 | 18 | 17 | 19 | 16 |
min °C | 14 | 19 | 12 | 15 | 21 | 16 | 20 | 25 | 19 | 21 | 25 | 17 | 19 | 22 | 12 | 14 | 19 | 10 |
chill °C | 14 | 19 | 12 | 15 | 21 | 16 | 20 | 25 | 19 | 21 | 25 | 17 | 19 | 22 | 12 | 14 | 19 | 9 |
Freezing level m | 3100 | 3200 | 3100 | 3100 | 3300 | 3300 | 3350 | 3600 | 3700 | 3550 | 3750 | 3800 | 3650 | 3650 | 3550 | 3700 | 3600 | 3100 |
Cloud base (m) | 2500 | 3350 | 8900 | 3050 | 6250 | 8400 | 9050 | 9500 | 1950 | 1950 | ||||||||
 | 5:03 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — |
 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 25°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Thu night. Warm (max 26°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.